PC or USB Oscilloscope

owel · 31st March 2004, 05:26 PM

Does anyone here use or can recommend a good PC oscilloscope, USB connection.

Preferably with software that can do spectrum analysis or dual trace and not so expensive?

Thanks

branas · 31st March 2004, 06:02 PM

http://www.parallax.com/detail.asp?product_id=2811

Never used it but have used other parts from them and they seem to be a good company.

OPTAscope Technical Specifications:

2 Channels
1 Ms/s Maximum Sample Rate with One Channel
500 Ks/s Sample Rate with Two Channels
20 Vpp Maximum Input for Channel 1 and Channel 2
200 kHz Bandwidth
8-Bit Vertical Resolution
1 M Ohm Input Impedance
Trigger on Rising or Falling Edge at any Voltage
Variable Trigger voltage on Channels 1 and 2
Horizontal Trigger Position Settings at 10%, 50%, and 90%
Auto and Normal Trigger Modes
3 probes
USB 1.1 Support (no additional power supply required!)
Size: 5 x 2.25 x 1.5 (in.); 12.7 x 5.7 x 3.8 (cm)
Weight: 8 oz; 227 gm

owel · 31st March 2004, 06:29 PM

Is the link right? I can't get it to display. "not found in inventory"

rayban68 · 31st March 2004, 07:16 PM

Just need a 9 on the end of that link.
http://www.parallax.com/detail.asp?product_id=28119

looks pretty cool, except the 20vpp input, I wonder if you can use standard 10x probes to get more voltage? 200Khz bandwidth isn't that great tho. You'd be better off with a used Tek for the same price, with 50Mhz or 100Mhz bandwith.

branas · 31st March 2004, 07:21 PM

Yeah, I wondered if it would work for an audio application, this oscilliscope is manufactured for troubleshooting low voltage electronics. I think they are in stock after mid-april.

owel · 31st March 2004, 07:41 PM

$189... and no spectrum analyzer... for that price I agree a used Oscilloscope on ebay will be better. Thanks for the suggestion though.

I've seen the pico USB product, but will cost me $500 to $800... but it includes the spectrum analyzer.

I need the S.A. 'cause I'll be using this for testing audio projects, gear, etc...

sam9 · 31st March 2004, 07:48 PM

I looked in to the Pico once. At that time if you do some web surfing there were a couple of sources that knocked off between US100-200. At least for the 16-bit version.

owel · 31st March 2004, 07:57 PM

What do you guys think about this one? Also USB, with spectrum analyzer, but cheaper than the Pico... I also like that it's a tabletop model.

http://www.bitscope.net/store/?p=view&i=item+2

DRC · 31st March 2004, 08:47 PM

You probably need 16 bit for audio spectrum analysis.

Dave

sam9 · 31st March 2004, 09:55 PM

If you are looking at THD, 16 bits lets you measure down to ~.001%-.002% while 8 or 12 bits is more limiting. If you are a low THD+N fanatic you long for a 24 bit scope!

31st March 2004, 05:26 PM	#1
owel diyAudio Member Join Date: Mar 2004 Location: Nashville, TN	PC or USB Oscilloscope Does anyone here use or can recommend a good PC oscilloscope, USB connection. Preferably with software that can do spectrum analysis or dual trace and not so expensive? Thanks

31st March 2004, 06:02 PM	#2
branas diyAudio Member Join Date: Mar 2004 Location: here	USB Oscilliscope http://www.parallax.com/detail.asp?product_id=2811 Never used it but have used other parts from them and they seem to be a good company. OPTAscope Technical Specifications: 2 Channels 1 Ms/s Maximum Sample Rate with One Channel 500 Ks/s Sample Rate with Two Channels 20 Vpp Maximum Input for Channel 1 and Channel 2 200 kHz Bandwidth 8-Bit Vertical Resolution 1 M Ohm Input Impedance Trigger on Rising or Falling Edge at any Voltage Variable Trigger voltage on Channels 1 and 2 Horizontal Trigger Position Settings at 10%, 50%, and 90% Auto and Normal Trigger Modes 3 probes USB 1.1 Support (no additional power supply required!) Size: 5 x 2.25 x 1.5 (in.); 12.7 x 5.7 x 3.8 (cm) Weight: 8 oz; 227 gm

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
oscilloscope kit	henryr	Equipment & Tools	5	18th June 2009 11:08 PM
Need help with oscilloscope	error0	Equipment & Tools	2	6th April 2008 02:22 AM
Oscilloscope	XTAL	Parts	0	18th March 2005 06:05 AM
How to use an oscilloscope	SimontY	Equipment & Tools	15	16th September 2003 11:46 AM
oscilloscope	Kilowatt	Digital Source	12	22nd January 2002 01:30 AM

New To Site?	Need Help?
Register to Participate Search Contact Us	Frequently Asked Questions Did you forget your password? Mark Forums Read


<a rel='nofollow' href='http://www.diyaudio.com/openx/www/delivery/ck.php?n=aa5cb2e9&cb=634788' target='_blank'><img src='http://www.diyaudio.com/openx/www/delivery/avw.php?zoneid=3&cb=634788&n=aa5cb2e9' border='0' alt='' /></a>	We're saving for a new server - help us to serve you by Donating Today and become a friend with benefits! Ads on/off / Custom Title / 2009 Tshirt / More PMs / Bigger Images / Advanced printing

31st March 2004, 06:29 PM	#3
owel diyAudio Member Join Date: Mar 2004 Location: Nashville, TN	Is the link right? I can't get it to display. "not found in inventory"

31st March 2004, 07:16 PM	#4
rayban68 diyAudio Member Join Date: Mar 2004 Location: Prince George, BC, Canada	Just need a 9 on the end of that link. http://www.parallax.com/detail.asp?product_id=28119 looks pretty cool, except the 20vpp input, I wonder if you can use standard 10x probes to get more voltage? 200Khz bandwidth isn't that great tho. You'd be better off with a used Tek for the same price, with 50Mhz or 100Mhz bandwith.

31st March 2004, 07:21 PM	#5
branas diyAudio Member Join Date: Mar 2004 Location: here	Yeah, I wondered if it would work for an audio application, this oscilliscope is manufactured for troubleshooting low voltage electronics. I think they are in stock after mid-april.

31st March 2004, 07:41 PM	#6
owel diyAudio Member Join Date: Mar 2004 Location: Nashville, TN	$189... and no spectrum analyzer... for that price I agree a used Oscilloscope on ebay will be better. Thanks for the suggestion though. I've seen the pico USB product, but will cost me $500 to $800... but it includes the spectrum analyzer. I need the S.A. 'cause I'll be using this for testing audio projects, gear, etc...

31st March 2004, 07:48 PM	#7
sam9 diyAudio Member Join Date: Jun 2002 Location: Left Coast	I looked in to the Pico once. At that time if you do some web surfing there were a couple of sources that knocked off between US100-200. At least for the 16-bit version.

31st March 2004, 07:57 PM	#8
owel diyAudio Member Join Date: Mar 2004 Location: Nashville, TN	What do you guys think about this one? Also USB, with spectrum analyzer, but cheaper than the Pico... I also like that it's a tabletop model. http://www.bitscope.net/store/?p=view&i=item+2

31st March 2004, 08:47 PM	#9
DRC diyAudio Member Join Date: Jan 2003 Location: UK (south west)	You probably need 16 bit for audio spectrum analysis. Dave

31st March 2004, 09:55 PM	#10
sam9 diyAudio Member Join Date: Jun 2002 Location: Left Coast	If you are looking at THD, 16 bits lets you measure down to ~.001%-.002% while 8 or 12 bits is more limiting. If you are a low THD+N fanatic you long for a 24 bit scope!

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)